Java Writing Classes Unit 5 Quiz
Quiz
•
Computers
•
12th Grade
•
Medium
K B
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a constructor in Java?
A method used to destroy objects
A keyword used to declare variables
A special method used to initialize objects
A data type used to store values
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about constructors?
They are used to destroy objects
They are used to modify objects at runtime
They are used to initialize objects
They are used to declare variables
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a destructor in Java?
To modify the state of an object in Java.
To create a new object in Java.
To initialize an object in Java.
To release resources or perform cleanup tasks associated with an object.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used to create an instance of a class in Java?
instance
new
create
class
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about accessor methods?
They are not necessary in object-oriented programming
They are used to modify the value of an instance variable
They are only used in static methods
They are used to retrieve the value of an instance variable
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the naming convention for a constructor in Java?
Init
Same name as the class
Constructor
Different name than the class
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about default constructors?
Default constructors must be defined explicitly in the class.
Default constructors can only be generated for classes with no attributes.
Default constructors always have the same signature as the parameterized constructors.
They are automatically generated by the compiler if no constructor is defined in the class.
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